... communication) Other problems of these reactors are the release of DOM into the solution andthe adsorption of DOM onto the biofilms Furthermore, it seems impossible to determine the pool sizes andthe residence ... Biodegradation; Dissolvedorganic matter; DOC Introduction In the past 10 years, much progress has been made in the understanding ofdissolvedorganicmatter (DOM) functions and dynamics in soils ... that the soluble state is a prerequisite for the uptake and degradation oforganicmatter by microorganisms, then DOM should play a key role in the stabilisation and destabilisation of soil organic...
... on the improved understanding ofthe role of DOM in both reversible and irreversible fouling iv) To investigate the composition, characteristics, and fouling potential of DOM both in the MBR and ... system, the focus of this thesis is mainly on DOM fouling in MBR systems Therefore, it is not the task of this thesis to either investigate the roles of other components in MBR fouling, or analyze the ... pore size in the range 0.001–0.1 µm (IUPAC 1996) The selectivity of MF and UF membranes is determined primarily by the ratio betweenthe hydrodynamic diameter ofthe solute andthe apparent pore...
... occupied 54% to total On the other hand, the adsorption isotherms of PAC in the dialysis membrane with molecular weight cut-off of 300,000 and 2,000,000 Da were almost the same and their adsorption capacities ... aeration tank The objective of this study is to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process Materials and methods 2.1 Operation of powdered ... days The amount of 3,5 DCP adsorbed by PAC in each reactor was estimated from the difference betweenthe amount of 3,5-DCP in influent andthe amount of 3,5-DCP discharged and biodegraded The...
... where, rSE is the ratio ofthe filtrated secondary effluent to the volume ofthe BOD bottle, rLW is the ratio ofthe filtrated lake water to the volume ofthe BOD bottle, and OCSE is the oxygen ... particulate organicmatter did not affect CODMn, the possibility of accumulation ofdissolvedorganicmatter (DOM) is pointed out (Imai, 2002) On the other hand, Takahashi (1999) reported that dissolved ... Determinations of humic substances and other dissolvedorganicmatterand their effects on the increase of COD in Lake Biwa, Anal Sci., 20, 159-164 Gurung T B and Urabe J (1999) Temporal and vertical...
... affected by pH and solid anddissolvedorganicmatter Environ Sci Technol 1997;31:1109 – 15 Temminghoff EJM, Zee SEATMVD, Haan FAMD Effects ofdissolvedorganicmatter on the mobility of copper in ... fractions are of limited value because ofthe manipulations (especially pH) that are required in the fractionation procedure The concentration oforganic carbon andthe percentage ofthe TOC contained ... and 102%, respectively Fig shows the total concentrations and proportions of each ofthe DOC fractions in solution as a function of pH for two ofthe soils (Budel and Callantsoog) For seven of...
... Discussion EGU pling date around the middle andthe other around the end of each month Throughfall and surface runoff samples were taken in the first and third week of each month, and additional samples ... if the declining growth is the reason for reduced N retention or if the high N load andthe N saturation of this natural − stand is the cause ofthe reduced growth A mean NO3 -N leaching for the ... (decomposition of litter and soil organic matter, plant exudates, fine-root and mycorrhizal turnover, andthe waste products of macro and microorganisms), or by DON sinks (e.g adsorption in organicand mineral...
... recalcitrant compounds in terms of zinc complexation On the other hand, a further examination ofthe variation of labile Zn during the incubation revealed a slight increment ofthe labile Zn concentration ... class of ligands having one representative conditional stability constant K' The slope ofthe line corresponds to the conditional stability constants K' The y-intercept ofthe line gives the product ... afterwards These results agreed with the SUVA results betweenand weeks of incubation This further implied that the weak Zn binding sites in the river water DOM were significantly altered and more...
... [4] andthe neuropharmacological properties [5] have been investigated as well To the best ofthe authors’ knowledge, there are no reports about thechemical content and biological effect ofthe ... due to the geographical location andthe harvesting period It is noteworthy that the results of this study may be considered as the first report on thecompositionofthe essential oils of this ... order of their elution on the HP-5MS non-polar column (Table 1) A total of 19 compounds were identified, representing 86.68% ofthe total oil The esters made up the largest component ofthe oil...
... [4] andthe neuropharmacological properties [5] have been investigated as well To the best ofthe authors’ knowledge, there are no reports about thechemical content and biological effect ofthe ... due to the geographical location andthe harvesting period It is noteworthy that the results of this study may be considered as the first report on thecompositionofthe essential oils of this ... order of their elution on the HP-5MS non-polar column (Table 1) A total of 19 compounds were identified, representing 86.68% ofthe total oil The esters made up the largest component ofthe oil...
... agreement was found betweenthe oil content of L resedifolia and that of L arboresens as was reported by Cheriti et al [6] The slight difference may be due to the geographical location andthe harvesting ... noteworthy that the results of this study may be considered as the first report on thecompositionofthe essential oils of this endemic species Chahma A voucher specimen was deposited at the herbarium ... reported in the literature [12] and stored on the MS library (NIST database) The concentration ofthe identified compounds was computed from the GC peak total area without any correction factor The compounds...
... ofthe structure ofthe roots of q-Bernoulli polynomials,” to appear in Journal of Computational and Applied Mathematics [15] C S Ryoo, T Kim, and R P Agarwal, “A numerical investigation ofthe ... powers In the recent paper [10], Kim and Rim constructed (h, q)-extensions ofthe twisted Euler numbers and polynomials They also defined (h, q)generalizations ofthe twisted zeta function and L-series ... Distribution and structure ofthe zeros In this section, we investigate the zeros ofthe twisted q-Euler polynomials En,q,w (z) by using computer Let w = e2πi/N in C We plot the zeros of En,q,w...
... exceeded the circumference ofthe crown This author reported that the width of spruce root systems in the Hronec locality was wider by 94 cm than the width ofthe crown On the other hand, Konôpka ... parts of trees The aim of this study is to compare therelationshipsbetweenthe aboveground parts andthe parameters of root plates in adult Norway spruce trees growing in waterlogged and well-drained ... correlation betweenthe aboveground parameters andthe thickness of root plates in the two localities In general, it can be supposed that there is a correlation betweenthe aboveground parts and the...
... (60% betweenand 15 cm, 30% between 15 and 30 cm, 10% between 30 and 60 cm and no roots below 60 cm) compared to the root distribution observed for trees (34% betweenand 15 cm, 29% between 15 and ... mineralization oforganicmatterand mineral weathering, as the role of vegetation should be limited in this phase, in the present mountainous site Their residence time is long and their concentration ... moisture, andthe rather large amount oforganicmatter in the forest-oor were supposed to favour an increase in the mineralization and nitrication rates [9, 63] (iii) The disruption between production...
... 100-fold andthe lifespan ofthe complex by 10-fold, as judged by koff The physiological chaperone cycle probably consists ofthe rapid binding ofthe N-terminus ofthe partner, regardless of whether ... enthalpy, independent ofthe buffer used in the experiment, and another term representing the contribution ofthe proton ionization ofthe buffer, which is multiplied by the number of protons that ... hypothesize that the protonated state ofthe chaperone initiates this cycle, whereas the deprotonated state occurs upon completion ofthe maturation process ofthe partner The nature ofthe signal...
... but further enhances the activity ofthe enzyme whose C-terminus has been displaced by low pH or by FC-induced binding of 14-3-3s Results The C-terminus of isoform ofthe PM H+-ATPase of A thaliana ... to study the mechanism of action of PPI1 The analysis ofthe pH dependence of PPI1induced activation ofthe H+-ATPase showed that stimulation decreases dramatically with the increase of pH above ... XL10 andthe frame andthe identity ofthe cloned fragment verified by sequencing The construct with the N-terminal portion of PPI1 has been previously described [22] The DNA fragment coding for the...
... 3A) and ATP (Fig 3B) in the absence and presence of curcumin, using the coupled enzyme assay In Fig 3A, the half-maximal activation ofthe ATPase by Ca2þ was measured in the absence ofand in the ... sites and ligands, respectively, and [EL] is the concentration of bound ligand The total concentration of sites can be expressed as N[E]0, the product of total protein concentration ([E]0) andthe ... side ofthe membrane While in the E2 form the Ca2þ binding sites have translocated across the membrane to the luminal side and are of low affinity Furthermore, in the E1 conformational state, the...
... resolved directly in the gel as described in Materials and methods The zymograms are presented as the negatives (B) Northern analysis ofthe induction of aldA and alcR in the presence of ethanol or ... Regardless ofthe growth substrate, the gratuitous inducer 2-butanone always elicites more powerful induction than the convertible compound ethanol Furthermore, the response ofthe acetyl-CoA synthetase ... D-galacturonic acid (D-GAA*) (right panel) (B) Northern blot analysis ofthe response ofthe alc genes to addition of D-glyceraldehyde and glycerol Ethanol served as the reference for induction Induction...
... The results are presented in Fig In the absence of ligand, none ofthe AR NTD proteins showed LBD interaction However, in the presence of ligand, both AR.NTDwt and AR.NTDD3– 13 bound to AR LBD with ... was lost The most obvious difference between both assays is the coupling of AR.NTD to GalAD in the yeast assay, andthe absence of a second transactivation domain linked to AR NTD in the mammalian ... interaction with the charged clamp [5,36,37] The first and last leucine residue in the LxxLL motif enter the hydrophobic cleft in the LBD, and directly contact amino acid residues within the cleft The variable...
... position ofthechemical shifts of proton H-4 and carbon C-4 ofthe Kdo-residue (C) of compound andthe downfield shift to the same frequencies of proton H-5 and carbon C-5 ofthe Kdo-residue (C) of ... linked to the a-GlcN (A) ofthe lipid A backbone leading to a splitting ofthe signal of its anomeric proton and another phosphate linked to the 4-position ofthe b-configured GlcN (B) The far downfield ... 6¢ ofthe glucosamine disaccharide backbone of lipid A and is substituted at position by another sugar and at position by another sugar or phosphate [13] The LPS ofthe deep rough mutant I-69 of...
... from 20 to 60 years, and their mean duration of diabetes was 10.17 (SD = 7.2) All ofthe patients were recruited from the diabetes clinic ofthe Gülhane Hospital The majority ofthe participants ... Health and Quality of Life Outcomes 2008, 6:79 http://www.hqlo.com/content/6/1/79 Table 2: Means and standard deviations of trait anxiety and coping strategies ofthe participants of two types of ... Coefficients of correlations between age, type of diabetes and duration of diabetes, gender, educational status and monthly income were significant, whereas the correlations between type of diabetes and...